{"id":201807,"date":"2025-05-10T13:14:15","date_gmt":"2025-05-10T05:14:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201807\/"},"modified":"2025-05-10T13:14:15","modified_gmt":"2025-05-10T05:14:15","slug":"redis%e4%bd%bf%e7%94%a8zset%e5%ae%9e%e7%8e%b0%e6%b6%88%e6%81%af%e9%98%9f%e5%88%97%e4%bd%bf%e7%94%a8%e5%b0%8f%e7%bb%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201807\/","title":{"rendered":"Redis\u4f7f\u7528ZSET\u5b9e\u73b0\u6d88\u606f\u961f\u5217\u4f7f\u7528\u5c0f\u7ed3"},"content":{"rendered":"

<\/b> <\/p>\n

Redis\u4f7f\u7528ZSET\u5b9e\u73b0\u6d88\u606f\u961f\u5217\u4f7f\u7528\u5c0f\u7ed3<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u600e\u4e48\u5165\u95e8\u6570\u636e\u5e93\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762golang\u5b66\u4e60\u7f51\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300aRedis\u4f7f\u7528ZSET\u5b9e\u73b0\u6d88\u606f\u961f\u5217\u4f7f\u7528\u5c0f\u7ed3\u300b\uff0c\u6d89\u53ca\u5230\u6d88\u606f\u961f\u5217\u3001rediszset\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b<\/p>\n

1.redis \u7528zset\u505a\u6d88\u606f\u961f\u5217\u5982\u4f55\u5904\u7406\u6d88\u606f\u79ef\u538b<\/h2>\n
    \n
  • \n

    \u6539\u53d8\u6d88\u8d39\u8005\u7684\u6d88\u8d39\u80fd\u529b\uff1a<\/p>\n<\/li>\n<\/ul>\n

    \u3000\u3000\u3000\u3000\u53ef\u4ee5\u589e\u52a0\u6d88\u8d39\u8005\u7684\u6570\u91cf\uff0c\u6216\u8005\u4f18\u5316\u6d88\u8d39\u8005\u7684\u6d88\u8d39\u80fd\u529b\uff0c\u4f7f\u5176\u80fd\u591f\u66f4\u5feb\u5730\u5904\u7406\u6d88\u606f\u3002\u540c\u65f6\uff0c\u53ef\u4ee5\u6839\u636e\u6d88\u606f\u961f\u5217\u4e2d\u6d88\u606f\u7684\u6570\u91cf\uff0c\u52a8\u6001\u5730\u8c03\u6574\u6d88\u8d39\u8005\u7684\u6570\u91cf\u3001\u6d88\u8d39\u901f\u7387\u548c\u4f18\u5148\u7ea7\u7b49\u53c2\u6570\u3002<\/p>\n

      \n
    • \n

      \u5bf9\u8fc7\u671f\u6d88\u606f\u8fdb\u884c\u8fc7\u6ee4\uff1a<\/p>\n<\/li>\n<\/ul>\n

      \u3000\u3000\u3000\u3000\u5c06\u8fc7\u671f\u7684\u6d88\u606f\u79fb\u51fa\u6d88\u606f\u961f\u5217\uff0c\u4ee5\u51cf\u5c11\u961f\u5217\u7684\u957f\u5ea6\uff0c\u4ece\u800c\u4f7f\u6d88\u8d39\u8005\u80fd\u591f\u53ca\u65f6\u5730\u6d88\u8d39\u672a\u8fc7\u671f\u7684\u6d88\u606f\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u63d0\u4f9b\u7684zremrangebyscore()\u65b9\u6cd5\uff0c\u5bf9\u8fc7\u671f\u6d88\u606f\u8fdb\u884c\u6e05\u7406\u3002<\/p>\n

        \n
      • \n

        \u5bf9\u6d88\u606f\u8fdb\u884c\u5206\u7247\uff1a<\/p>\n<\/li>\n<\/ul>\n

        \u3000\u3000\u3000\u3000\u5c06\u6d88\u606f\u5206\u7247\uff0c\u5206\u5e03\u5230\u4e0d\u540c\u7684\u6d88\u606f\u961f\u5217\u4e2d\uff0c\u4f7f\u5f97\u4e0d\u540c\u7684\u6d88\u8d39\u8005\u53ef\u4ee5\u5e76\u884c\u5730\u5904\u7406\u6d88\u606f\uff0c\u4ee5\u63d0\u9ad8\u6d88\u606f\u5904\u7406\u7684\u6548\u7387\u3002<\/p>\n

          \n
        • \n

          \u5bf9\u6d88\u606f\u8fdb\u884c\u6301\u4e45\u5316\uff1a<\/p>\n<\/li>\n<\/ul>\n

          \u3000\u3000\u3000\u3000\u4f7f\u7528Redis\u7684\u6301\u4e45\u5316\u673a\u5236\uff0c\u5c06\u6d88\u606f\u5199\u5165\u78c1\u76d8\uff0c\u4ee5\u9632\u6b62\u6d88\u606f\u7684\u4e22\u5931\u3002\u540c\u65f6\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u591a\u4e2aRedis\u8282\u70b9\u8fdb\u884c\u5907\u4efd\uff0c\u4ee5\u63d0\u9ad8Redis\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3002<\/p>\n

          \u3000\u3000\u603b\u7684\u6765\u8bf4\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\uff0c\u7efc\u5408\u8003\u8651\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u9009\u62e9\u9002\u5408\u81ea\u5df1\u7684\u65b9\u6848\uff0c\u4ee5\u4fdd\u8bc1Redis\u7684\u6d88\u606f\u961f\u5217\u5728\u5904\u7406\u6d88\u606f\u79ef\u538b\u65f6\uff0c\u80fd\u591f\u4fdd\u6301\u9ad8\u6548\u548c\u7a33\u5b9a\u3002<\/p>\n

          2.redis\u5206\u7247\u5e76\u4f7f\u7528zset\u505a\u6d88\u606f\u961f\u5217<\/h2>\n

          \u3000\u3000\u4f7f\u7528Redis\u5206\u7247\u53ef\u4ee5\u5c06\u6570\u636e\u5e93\u7684\u6570\u636e\u5206\u6563\u5230\u4e0d\u540c\u7684\u8282\u70b9\u4e0a\uff0c\u4ece\u800c\u63d0\u9ad8Redis\u53ef\u6269\u5c55\u6027\u548c\u53ef\u7528\u6027\u3002\u5728\u4f7f\u7528Redis\u7684zset\u7c7b\u578b\u505a\u6d88\u606f\u961f\u5217\u65f6\uff0c\u53ef\u4ee5\u5c06\u6d88\u606f\u961f\u5217\u5206\u7247\u5230\u591a\u4e2aRedis\u5b9e\u4f8b\u4e0a\uff0c\u4ece\u800c\u5145\u5206\u5229\u7528\u96c6\u7fa4\u6027\u80fd\u548c\u907f\u514d\u5355\u70b9\u6545\u969c\u7684\u95ee\u9898\u3002<\/p>\n

          \u3000\u3000\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Redis\u5206\u7247\u5e76\u4f7f\u7528zset\u505a\u6d88\u606f\u961f\u5217\u7684\u4f8b\u5b50\uff1a<\/p>\n

          \u3000\u3000\u4f7f\u7528Redis Cluster\u5b9e\u73b0\u96c6\u7fa4\uff1a<\/p>\n

          \/\/\u521b\u5efaJedis Cluster\u5bf9\u8c61\nSet\n   \n     nodes = new HashSet();\nnodes.add(new HostAndPort(\"redis1.example.com\", 6379));\nnodes.add(new HostAndPort(\"redis2.example.com\", 6379));\nnodes.add(new HostAndPort(\"redis3.example.com\", 6379));\nJedisCluster jedisCluster = new JedisCluster(nodes);\n\n\/\/\u53d1\u9001\u6d88\u606f\njedisCluster.zadd(\"queue:my_queue\", System.currentTimeMillis(), \"message1\");\n\n\/\/\u63a5\u6536\u6d88\u606f\nSet\n    \n      messages = jedisCluster.zrange(\"queue:my_queue\", 0, 10);\n    \n   <\/pre>\n<\/p>\n
          \u3000\u30002. \u4f7f\u7528Redisson\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u548c\u5206\u7247\uff1a<\/p>\n
          \/\/\u521b\u5efaRedisson\u5bf9\u8c61\nConfig config = new Config();\nconfig.useClusterServers()\n      .addNodeAddress(\"redis:\/\/redis1.example.com:6379\", \"redis:\/\/redis2.example.com:6379\", \"redis:\/\/redis3.example.com:6379\");\nRedissonClient redisson = Redisson.create(config);\n\n\/\/\u4f7f\u7528\u5206\u5e03\u5f0f\u9501\u9632\u6b62\u4e0d\u540c\u5ba2\u6237\u7aef\u540c\u65f6\u64cd\u4f5c\u540c\u4e00\u4e2a\u961f\u5217\nRLock lock = redisson.getLock(\"my_lock\");\n\n\/\/\u53d1\u9001\u6d88\u606f\nlock.lock();\ntry {\n    RSortedSet\n   \n     queue = redisson.getSortedSet(\"queue:my_queue\");\n    queue.add(System.currentTimeMillis(), \"message1\");\n} finally {\n    lock.unlock();\n}\n\n\/\/\u63a5\u6536\u6d88\u606f\nlock.lock();\ntry {\n    RSortedSet\n    \n      queue = redisson.getSortedSet(\"queue:my_queue\"); Set\n     \n       messages = queue.range(0, 10); } finally { lock.unlock(); }\n     \n    \n   <\/pre>\n<\/p>\n
          \u3000\u3000\u5728\u5c06\u6d88\u606f\u961f\u5217\u5206\u7247\u5230\u591a\u4e2aRedis\u5b9e\u4f8b\u4e0a\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n
            \n
          • \n
            \u4e3a\u6bcf\u4e2a\u6d88\u606f\u961f\u5217\u8bbe\u7f6e\u5408\u9002\u7684\u5206\u7247\u89c4\u5219<\/p>\n<\/li>\n
          • \n
            \u786e\u4fdd\u6d88\u606f\u961f\u5217\u5206\u5e03\u5728\u4e0d\u540c\u7684Redis\u8282\u70b9\u4e0a\uff0c\u5e76\u4f7f\u7528\u76f8\u540c\u7684\u5206\u7247\u89c4\u5219<\/p>\n<\/li>\n
          • \n
            \u80fd\u591f\u52a8\u6001\u8c03\u6574\u8282\u70b9\u6570\u91cf\u548c\u5206\u7247\u89c4\u5219\uff0c\u4ee5\u9002\u5e94\u4e1a\u52a1\u53d8\u5316\u548c\u8d1f\u8f7d\u53d8\u5316\u7684\u9700\u6c42<\/p>\n<\/li>\n
          • \n
            \u4f7f\u7528\u5206\u5e03\u5f0f\u9501\uff0c\u907f\u514d\u4e0d\u540c\u5ba2\u6237\u7aef\u540c\u65f6\u64cd\u4f5c\u540c\u4e00\u4e2a\u961f\u5217\u65f6\u53d1\u751f\u7ade\u4e89<\/p>\n<\/li>\n<\/ul>\n
            \u3000\u3000\u901a\u8fc7\u9002\u5f53\u7684\u5206\u7247\u7b56\u7565\u548c\u5206\u5e03\u5f0f\u9501\u7b49\u673a\u5236\uff0c\u53ef\u4ee5\u5f88\u597d\u5730\u5c06Redis\u7684zset\u7c7b\u578b\u4f5c\u4e3a\u6d88\u606f\u961f\u5217\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u4f7f\u7528\uff0c\u5e76\u8fbe\u5230\u8f83\u9ad8\u7684\u53ef\u7528\u6027\u548c\u53ef\u6269\u5c55\u6027<\/p>\n
            3. redis\u5982\u4f55\u5206\u7247<\/h2>\n
            \u3000\u3000Redis\u5206\u7247\u662f\u6307\u5c06Redis\u4e2d\u7684\u6570\u636e\u5206\u6563\u5230\u591a\u4e2a\u8282\u70b9\u4e0a\uff0c\u4ee5\u63d0\u9ad8Redis\u7684\u6027\u80fd\u548c\u53ef\u6269\u5c55\u6027\u3002Redis\u652f\u6301\u591a\u79cd\u5206\u7247\u65b9\u5f0f\uff0c\u5e38\u89c1\u7684\u65b9\u5f0f\u6709\uff1a<\/p>\n
              \n
            • \n
              \u54c8\u5e0c\u5206\u7247<\/p>\n<\/li>\n<\/ul>\n
              \u3000\u3000\u54c8\u5e0c\u5206\u7247\u662f\u5c06Redis\u4e2d\u7684\u952e\u6309\u7167\u4e00\u5b9a\u7684\u89c4\u5219\u8ba1\u7b97\u51fa\u4e00\u4e2a\u54c8\u5e0c\u503c\uff0c\u518d\u5c06\u8be5\u503c\u4e0e\u8282\u70b9\u6570\u53d6\u6a21\uff0c\u5c06\u952e\u5206\u53d1\u5230\u76f8\u5e94\u7684\u8282\u70b9\u4e0a\uff0c\u4ee5\u4fdd\u8bc1\u6bcf\u4e2a\u8282\u70b9\u4e0a\u7684\u6570\u636e\u91cf\u5e73\u8861\u3002\u54c8\u5e0c\u5206\u7247\u9700\u8981\u4fdd\u8bc1\u76f8\u540c\u7684Key\u54c8\u5e0c\u5230\u540c\u4e00\u4e2a\u8282\u70b9\u4e0a\uff0c\u9700\u8981\u5728\u5206\u7247\u8fc7\u7a0b\u4e2d\u5bf9\u54c8\u5e0c\u7b97\u6cd5\u8fdb\u884c\u4f18\u5316\uff0c\u786e\u4fdd\u5176\u80fd\u591f\u7b26\u5408\u9700\u6c42\uff0c\u540c\u65f6\u4fdd\u8bc1\u53ef\u6269\u5c55\u6027\u3002Redis\u63d0\u4f9b\u7684Cluster\u4f7f\u7528\u7684\u5c31\u662f\u54c8\u5e0c\u5206\u7247\u3002<\/p>\n
                \n
              • \n
                \u8303\u56f4\u5206\u7247<\/p>\n<\/li>\n<\/ul>\n
                \u3000\u3000\u8303\u56f4\u5206\u7247\u662f\u5c06Redis\u4e2d\u7684\u6570\u636e\u5212\u5206\u6210\u82e5\u5e72\u4e2a\u533a\u95f4\uff0c\u6bcf\u4e2a\u8282\u70b9\u8d1f\u8d23\u4e00\u5b9a\u8303\u56f4\u5185\u7684\u6570\u636e\uff0c\u4f8b\u5982\uff0c\u53ef\u4ee5\u6309\u7167\u6570\u636e\u7c7b\u578b\u3001\u6570\u636e\u8fdb\u5165\u65f6\u95f4\u7b49\u89c4\u5219\u8fdb\u884c\u5212\u5206\u3002\u4f46\u662f\u8fd9\u79cd\u65b9\u5f0f\u5177\u6709\u4e00\u5b9a\u7684\u5c40\u9650\u6027\uff0c\u4f8b\u5982\u65e0\u6cd5\u8fdb\u884c\u52a8\u6001\u6269\u5bb9\u548c\u7f29\u5bb9\u7b49\u64cd\u4f5c\uff0c\u56e0\u6b64\u5df2\u7ecf\u4e0d\u5e38\u7528\u3002<\/p>\n
                  \n
                • \n
                  \u4e00\u81f4\u6027\u54c8\u5e0c<\/p>\n<\/li>\n<\/ul>\n
                  \u3000\u3000\u4e00\u81f4\u6027\u54c8\u5e0c\u662f\u4e00\u79cd\u5c06Redis\u4e2d\u7684\u6570\u636e\u5747\u5300\u5730\u5206\u6563\u5230\u591a\u4e2a\u8282\u70b9\u4e0a\u7684\u65b9\u6cd5\u3002\u5176\u57fa\u672c\u601d\u60f3\u662f\uff1a\u5c06Redis\u4e2d\u7684\u952e\u8fdb\u884c\u54c8\u5e0c\u8ba1\u7b97\uff0c\u5c06\u7ed3\u679c\u6620\u5c04\u5230\u4e00\u4e2a\u73af\u4e0a\uff0c\u6bcf\u4e2a\u8282\u70b9\u5bf9\u5e94\u73af\u4e0a\u7684\u4e00\u4e2a\u4f4d\u7f6e\uff0c\u6309\u7167\u987a\u65f6\u9488\u65b9\u5411\u5bfb\u627e\u6700\u8fd1\u7684\u8282\u70b9\u6765\u5b58\u50a8\u5bf9\u5e94\u7684\u503c\u3002\u8fd9\u6837\uff0c\u65b0\u589e\u8282\u70b9\u65f6\uff0c\u53ea\u9700\u6839\u636e\u54c8\u5e0c\u7b97\u6cd5\u5c06\u8be5\u8282\u70b9\u6620\u5c04\u5230\u73af\u4e0a\uff0c\u5c06\u539f\u672c\u5c5e\u4e8e\u5176\u4ed6\u8282\u70b9\u7684\u952e\u91cd\u65b0\u6620\u5c04\u5230\u65b0\u52a0\u5165\u7684\u8282\u70b9\u4e0a\uff1b\u5220\u9664\u8282\u70b9\u65f6\uff0c\u53ea\u9700\u5c06\u539f\u672c\u5c5e\u4e8e\u8be5\u8282\u70b9\u4e0a\u7684\u952e\u91cd\u65b0\u6620\u5c04\u5230\u5176\u4ed6\u8282\u70b9\u4e0a\u3002\u4e00\u81f4\u6027\u54c8\u5e0c\u53ef\u4ee5\u5f88\u597d\u5730\u6269\u5c55Redis\u7684\u5b58\u50a8\u5bb9\u91cf\u548c\u541e\u5410\u91cf\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u5904\u7406\u8282\u70b9\u6545\u969c\u548c\u8d1f\u8f7d\u5747\u8861\u7b49\u95ee\u9898\u3002<\/p>\n
                  \u3000\u3000\u9009\u62e9Redis\u5206\u7247\u65b9\u6cd5\u9700\u8981\u6839\u636e\u5177\u4f53\u4e1a\u52a1\u573a\u666f\u548c\u9700\u6c42\u8fdb\u884c\uff0c\u5408\u7406\u914d\u7f6e\u5206\u7247\u6570\u548c\u5206\u7247\u89c4\u5219\uff0c\u5c3d\u53ef\u80fd\u5145\u5206\u5229\u7528\u5404\u4e2a\u8282\u70b9\u7684\u6027\u80fd\u548c\u5b58\u50a8\u80fd\u529b\uff0c\u5e76\u91c7\u53d6\u76f8\u5e94\u7684\u63aa\u65bd\u4fdd\u8bc1\u9ad8\u53ef\u7528\u6027\u548c\u5bb9\u9519\u6027\u3002<\/p>\n
                  4. redis\u4f7f\u7528java\u53d1\u9001\u6d88\u606f\u5230zset\u961f\u5217\u5e76\u5bf9\u6d88\u606f\u8fdb\u884c\u5206\u7247\u5904\u7406<\/h2>\n
                  \u3000\u3000\u5728\u4f7f\u7528Redis\u7684Java\u5ba2\u6237\u7aefJedis\u53d1\u9001\u6d88\u606f\u5230zset\u961f\u5217\u5e76\u5bf9\u6d88\u606f\u8fdb\u884c\u5206\u7247\u5904\u7406\u65f6\uff0c\u53ef\u4ee5\u5c06\u6d88\u606f\u961f\u5217\u5206\u7247\u4e3a\u591a\u4e2a\u5b50\u961f\u5217\uff0c\u6309\u7167\u4e00\u5b9a\u7684\u89c4\u5219\u5c06\u4e0d\u540c\u7684\u6d88\u606f\u53d1\u9001\u5230\u4e0d\u540c\u7684\u5b50\u961f\u5217\u4e2d\u3002\u5e38\u89c1\u7684\u5206\u7247\u65b9\u5f0f\u6709\u53d6\u6a21\u5206\u7247\u3001\u54c8\u5e0c\u5206\u7247\u7b49\u65b9\u6cd5\u3002<\/p>\n
                  \u3000\u3000\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u4f7f\u7528Redis\u7684zset\u7c7b\u578b\u5b9e\u73b0\u6d88\u606f\u961f\u5217\u5e76\u5bf9\u6d88\u606f\u8fdb\u884c\u5206\u7247\u5904\u7406\uff1a<\/p>\n
                  import redis.clients.jedis.Jedis;\nimport java.util.List;\nimport java.util.Map;\n\nclass RedisMessageQueue {\n    private static final int SHARD_COUNT = 4;\n    private final Jedis jedis; \/\/Redis\u8fde\u63a5\u5bf9\u8c61\n    private final String queueName; \/\/\u961f\u5217\u540d\u5b57\n    private final List\n   \n     shardNames; \/\/\u5206\u7247\u961f\u5217\u540d\u5b57\n\n    \/**\n     * \u6784\u9020\u51fd\u6570\n     *\n     * @param host Redis\u4e3b\u673a\u5730\u5740\n     * @param port Redis\u7aef\u53e3\n     * @param password Redis\u5bc6\u7801\n     * @param queueName \u961f\u5217\u540d\u5b57\n     *\/\n    public RedisMessageQueue(String host, int port, String password, String queueName) {\n        jedis = new Jedis(host, port);\n        jedis.auth(password);\n        this.queueName = queueName;\n\n        \/\/\u521d\u59cb\u5316\u5206\u7247\u961f\u5217\u540d\u5b57\n        shardNames = jedis.hmget(queueName + \":shards\", \"shard1\", \"shard2\", \"shard3\", \"shard4\");\n    }\n\n    \/**\n     * \u53d1\u9001\u6d88\u606f\n     *\n     * @param message \u6d88\u606f\u5185\u5bb9\n     *\/\n    public void sendMessage(String message) {\n        \/\/\u83b7\u53d6\u5b50\u961f\u5217\u540d\u5b57\n        String shardName = shardNames.get(Math.floorMod(message.hashCode(), SHARD_COUNT));\n\n        \/\/\u5c06\u6d88\u606f\u6dfb\u52a0\u5230\u5b50\u961f\u5217\u7684\u6709\u5e8f\u96c6\u5408\u4e2d\n        jedis.zadd(shardName, System.currentTimeMillis(), message);\n    }\n\n    \/**\n     * \u63a5\u6536\u6d88\u606f\n     *\n     * @param count \u4e00\u6b21\u63a5\u6536\u7684\u6d88\u606f\u6570\u91cf\n     * @return \u8fd4\u56de\u63a5\u6536\u5230\u7684\u6d88\u606f\n     *\/\n    public String[] receiveMessage(int count) {\n        \/\/\u5b9a\u4e49\u8fd4\u56de\u7ed3\u679c\n        String[] results = new String[count];\n        int i = 0;\n\n        \/\/\u904d\u5386\u5206\u7247\u961f\u5217\uff0c\u9010\u4e2a\u83b7\u53d6\u6d88\u606f\n        for (String shardName : shardNames) {\n            while (i  messages = jedis.zrangeByScoreWithScores(shardName, \"-inf\", \"+inf\", 0, count - i);\n                    for (Map.Entry\n    \n      entry : messages.entrySet()) { results[i++] = entry.getKey(); } \/\/\u79fb\u9664\u5df2\u5904\u7406\u7684\u6d88\u606f jedis.zremrangeByRank(shardName, 0, messages.size() - 1); } } } return results; } \/** * \u9500\u6bc1\u961f\u5217 *\/ public void destroy() { \/\/\u5220\u9664\u961f\u5217\u672c\u8eab jedis\n    \n   <\/pre>\n<\/p>\n
                  5. redis\u4f7f\u7528zset\u505a\u6d88\u606f\u961f\u5217\u65f6\uff0c\u6709\u591a\u4e2a\u6d88\u8d39\u8005\u540c\u65f6\u6d88\u8d39\u6d88\u606f\u600e\u4e48\u5904\u7406<\/h2>\n
                  \u3000\u3000\u5f53\u4f7f\u7528 Redis \u7684 zset \u4f5c\u4e3a\u6d88\u606f\u961f\u5217\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u6765\u5904\u7406\u591a\u4e2a\u6d88\u8d39\u8005\u540c\u65f6\u6d88\u8d39\u6d88\u606f\uff1a<\/p>\n
                    \n
                  • \n
                    \u5229\u7528Redis\u4e8b\u52a1\u7279\u6027\uff1azset\u4e2d\u7684\u5143\u7d20\u7684score\u4f1a\u53cd\u6620\u8be5\u5143\u7d20\u7684\u4f18\u5148\u7ea7\uff0c\u591a\u4e2a\u6d88\u8d39\u8005\u53ef\u4ee5\u4f7f\u7528Redis\u4e8b\u52a1\u7279\u6027\uff0c\u91c7\u7528\u539f\u5b50\u6027\u7684\u64cd\u4f5c\u5c06\u7a7a\u95f2\u7684\u6d88\u606f\u6570\u636e\u4e0a\u9501\uff0c\u53ea\u6709\u5728\u88ab\u52a0\u9501\u7684\u6d88\u8d39\u8005\u6d88\u8d39\u5b8c\u5f53\u524d\u6d88\u606f\u65f6\uff0c\u5f80\u6d88\u606f\u961f\u5217\u4e2d\u53d1\u9001\u91ca\u653e\u9501\u7684\u6307\u4ee4\uff0c\u5176\u5b83\u6d88\u8d39\u8005\u624d\u80fd\u591f\u83b7\u5f97\u8be5\u6d88\u606f\u5e76\u8fdb\u884c\u6d88\u8d39\u3002<\/p>\n<\/li>\n
                  • \n
                    \u5229\u7528Redis\u5206\u5e03\u5f0f\u9501\uff1a\u4f7f\u7528 Redis \u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u6765\u5b9e\u73b0\u53ea\u6709\u4e00\u4e2a\u6d88\u8d39\u8005\u6d88\u8d39\u4e00\u6761\u6d88\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528redis\u7684SETNX\u547d\u4ee4\uff08\u5982\u679c\u952e\u5df2\u5b58\u5728\uff0c\u5219\u8be5\u547d\u4ee4\u4e0d\u505a\u4efb\u4f55\u4e8b\uff0c\u5982\u679c\u5bc6\u94a5\u4e0d\u5b58\u5728\uff0c\u5b83\u5c06\u8bbe\u7f6e\u5e76\u8fd4\u56de1\u53ef\u4ee5\u7528\u4f5c\u9501\uff09\uff0c\u5c06\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u952e\u6765\u8868\u793a\u8fd9\u4e00\u6d88\u606f\u662f\u5426\u5df2\u7ecf\u88ab\u9501\u5b9a\u3002<\/p>\n<\/li>\n
                  • \n
                    \u9632\u6b62\u91cd\u590d\u6d88\u8d39\uff1a\u4e3a\u4e86\u9632\u6b62\u591a\u4e2a\u6d88\u8d39\u8005\u6d88\u8d39\u540c\u4e00\u6761\u6d88\u606f\uff0c\u53ef\u4ee5\u5728\u6d88\u606f\u961f\u5217\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u6d88\u606f\u5b8c\u6210\u7684\u6807\u8bb0\uff0c\u5728\u6d88\u8d39\u8005\u5904\u7406\u5b8c\u4e00\u6761\u6d88\u606f\u4e4b\u540e\uff0c\u4f1a\u5c06\u8be5\u6d88\u606f\u7684\u5b8c\u6210\u72b6\u6001\u901a\u77e5\u7ed9\u6d88\u606f\u961f\u5217\uff0c\u6807\u8bb0\u8be5\u6d88\u606f\u5df2\u7ecf\u88ab\u6d88\u8d39\u8fc7\uff0c\u5176\u5b83\u6d88\u8d39\u8005\u518d\u6b21\u5c1d\u8bd5\u6d88\u8d39\u8be5\u6d88\u606f\u65f6\uff0c\u53d1\u73b0\u5df2\u7ecf\u88ab\u6807\u8bb0\u4e3a\u5b8c\u6210\uff0c\u5219\u4e0d\u518d\u6d88\u8d39\u8be5\u6d88\u606f\u3002<\/p>\n<\/li>\n<\/ul>\n
                    \u3000\u3000\u65e0\u8bba\u91c7\u7528\u54ea\u79cd\u65b9\u5f0f\uff0c\u90fd\u9700\u8981\u4fdd\u8bc1\u6d88\u606f\u961f\u5217\u7684\u53ef\u9760\u6027\u548c\u9ad8\u6548\u6027\uff0c\u5426\u5219\u4f1a\u5bfc\u81f4\u6d88\u606f\u4e22\u5931\u6216\u91cd\u590d\u6d88\u8d39\u7b49\u95ee\u9898\u3002<\/p>\n
                    6.redis\u4f7f\u7528zset\u505a\u6d88\u606f\u961f\u5217\u6709\u54ea\u4e9b\u6ce8\u610f\u4e8b\u9879<\/h2>\n
                    \u3000\u3000Redis \u4f7f\u7528 ZSET \u505a\u6d88\u606f\u961f\u5217\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n
                      \n
                    • \n
                      \u6d88\u606f\u7684\u552f\u4e00\u6027\uff1a\u4f7f\u7528 ZSET \u4f5c\u4e3a\u6d88\u606f\u961f\u5217\u5b58\u50a8\u7684\u65f6\u5019\u9700\u8981\u6ce8\u610f\u6d88\u606f\u7684\u552f\u4e00\u6027\uff0c\u907f\u514d\u91cd\u590d\u6d88\u606f\u7684\u60c5\u51b5\u51fa\u73b0\u3002\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u6d88\u606f ID \u6216\u8005\u65f6\u95f4\u6233\u6765\u4f5c\u4e3a\u6d88\u606f\u7684\u552f\u4e00\u6807\u8bc6\u3002<\/p>\n<\/li>\n
                    • \n
                      \u6d88\u606f\u7684\u987a\u5e8f\uff1a\u4f7f\u7528 ZSET \u4f5c\u4e3a\u6d88\u606f\u961f\u5217\u5b58\u50a8\u53ef\u4ee5\u4fdd\u8bc1\u6d88\u606f\u7684\u6709\u5e8f\u6027\uff0c\u4f46\u6d88\u606f\u7684\u987a\u5e8f\u53ef\u80fd\u4e0d\u662f\u6309\u7167\u6d88\u606f ID \u6216\u8005\u65f6\u95f4\u6233\u7684\u987a\u5e8f\u3002\u53ef\u4ee5\u8003\u8651\u5728\u6d88\u606f\u4e2d\u589e\u52a0\u65f6\u95f4\u6233\u7b49\u4fe1\u606f\uff0c\u7136\u540e\u5728\u6d88\u8d39\u65f6\u6839\u636e\u8fd9\u4e9b\u4fe1\u606f\u5bf9\u6d88\u606f\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<\/li>\n
                    • \n
                      \u5df2\u6d88\u8d39\u7684\u6d88\u606f\u5220\u9664\uff1a\u5728\u4f7f\u7528 ZSET \u4f5c\u4e3a\u6d88\u606f\u961f\u5217\u7684\u65f6\u5019\u9700\u8981\u6ce8\u610f\u5982\u4f55\u5220\u9664\u5df2\u7ecf\u6d88\u8d39\u7684\u6d88\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528 ZREMRANGEBYLEX \u6216\u8005 ZREMRANGEBYSCORE \u547d\u4ee4\u5220\u9664\u5df2\u7ecf\u6d88\u8d39\u7684\u6d88\u606f\u3002<\/p>\n<\/li>\n
                    • \n
                      \u6d88\u606f\u5806\u79ef\u95ee\u9898\uff1aZSET \u4f5c\u4e3a\u4e00\u79cd\u6709\u5e8f\u5b58\u50a8\u7ed3\u6784\uff0c\u6709\u53ef\u80fd\u51fa\u73b0\u6d88\u606f\u5806\u79ef\u7684\u60c5\u51b5\uff0c\u5982\u679c\u6d88\u606f\u961f\u5217\u91cc\u9762\u7684\u6d88\u606f\u5806\u79ef\u8fc7\u591a\uff0c\u4f1a\u5f71\u54cd\u6d88\u606f\u961f\u5217\u7684\u5904\u7406\u901f\u5ea6\uff0c\u751a\u81f3\u53ef\u80fd\u5bfc\u81f4 Redis \u5b95\u673a\u7b49\u95ee\u9898\u3002\u8fd9\u4e2a\u95ee\u9898\u53ef\u4ee5\u4f7f\u7528 Redis \u5b9a\u65f6\u5668\u6765\u89e3\u51b3\uff0c\u5b9a\u671f\u5c06\u8fc7\u671f\u7684\u6d88\u606f\u4ece\u961f\u5217\u4e2d\u5220\u9664\u3002<\/p>\n<\/li>\n
                    • \n
                      \u5ba2\u6237\u7aef\u7684\u80fd\u529b\uff1a\u5728\u6d88\u8d39\u6d88\u606f\u7684\u65f6\u5019\u9700\u8981\u8003\u8651\u5ba2\u6237\u7aef\u7684\u80fd\u529b\uff0c\u53ef\u4ee5\u8003\u8651\u589e\u52a0\u591a\u4e2a\u5ba2\u6237\u7aef\u540c\u65f6\u6d88\u8d39\u6d88\u606f\uff0c\u4ee5\u63d0\u9ad8\u6d88\u606f\u961f\u5217\u7684\u5904\u7406\u80fd\u529b\u3002<\/p>\n<\/li>\n
                    • \n
                      Redis \u8282\u70b9\u7684\u8d1f\u8f7d\u5747\u8861\uff1a\u4f7f\u7528 ZSET \u4f5c\u4e3a\u6d88\u606f\u961f\u5217\u7684\u5b58\u50a8\u7ed3\u6784\uff0c\u9700\u8981\u6ce8\u610f Redis \u8282\u70b9\u7684\u8d1f\u8f7d\u5747\u8861\uff0c\u56e0\u4e3a\u8282\u70b9\u7684\u5e76\u53d1\u8fde\u63a5\u6570\u53ef\u80fd\u4f1a\u53d7\u5230\u9650\u5236\u3002\u5fc5\u8981\u7684\u65f6\u5019\u53ef\u4ee5\u589e\u52a0 Redis \u8282\u70b9\u6570\u91cf\uff0c\u6216\u8005\u91c7\u7528 Redis \u96c6\u7fa4\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<\/li>\n<\/ul>\n
                      \u3000\u3000\u603b\u4e4b\uff0c\u4f7f\u7528 ZSET \u4f5c\u4e3a\u6d88\u606f\u961f\u5217\u5b58\u50a8\u9700\u8981\u7279\u522b\u6ce8\u610f\u6d88\u606f\u7684\u552f\u4e00\u6027\u3001\u6d88\u606f\u7684\u987a\u5e8f\u3001\u5df2\u6d88\u8d39\u6d88\u606f\u5220\u9664\u3001\u6d88\u606f\u5806\u79ef\u95ee\u9898\u3001\u5ba2\u6237\u7aef\u7684\u80fd\u529b\u548c\u8282\u70b9\u7684\u8d1f\u8f7d\u5747\u8861\u7b49\u95ee\u9898\u3002<\/p>\n
                      7. redis\u4f7f\u7528zset\u505a\u6d88\u606f\u961f\u5217\u5982\u4f55\u5b9e\u73b0\u4e00\u4e2a\u5206\u7ec4\u7684\u529f\u80fd<\/h2>\n
                      \u3000\u3000Redis \u4e2d\u7684 Zset \u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u4e00\u4e2a\u6709\u5e8f\u96c6\u5408\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u4f1a\u5173\u8054\u4e00\u4e2a\u5206\u6570\u3002\u5728\u6d88\u606f\u961f\u5217\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Zset \u6765\u5b58\u50a8\u6d88\u606f\u7684\u4f18\u5148\u7ea7\uff08\u5373\u5206\u6570\uff09\uff0c\u5e76\u4f7f\u7528\u6d88\u606f ID \u4f5c\u4e3a Zset \u4e2d\u7684\u6210\u5458\uff0c\u8fd9\u6837\u53ef\u4ee5\u901a\u8fc7 Zset \u7684\u6709\u5e8f\u6027\u6765\u83b7\u53d6\u4e0b\u4e00\u6761\u8981\u5904\u7406\u7684\u6d88\u606f\u3002<\/p>\n
                      \u3000\u3000\u4e3a\u4e86\u5b9e\u73b0\u4e00\u4e2a\u5206\u7ec4\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u4f7f\u7528 Redis \u7684\u547d\u540d\u7a7a\u95f4\u6765\u521b\u5efa\u591a\u4e2a Zset \u96c6\u5408\u3002\u6bcf\u4e2a\u5206\u7ec4\u90fd\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684 Zset \u96c6\u5408\uff0c\u6d88\u606f\u90fd\u88ab\u6dfb\u52a0\u5230\u5bf9\u5e94\u7684\u96c6\u5408\u4e2d\u3002\u7136\u540e\uff0c\u4f60\u53ef\u4ee5\u4ece\u4efb\u4f55\u4e00\u4e2a\u96c6\u5408\u4e2d\u83b7\u53d6\u4e0b\u4e00\u6761\u6d88\u606f\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5b9e\u73b0\u5206\u7ec4\u7684\u529f\u80fd\u3002<\/p>\n
                      \u3000\u3000\u4f8b\u5982\uff0c\u5047\u8bbe\u4f60\u7684 Redis \u5b9e\u4f8b\u6709\u4e09\u4e2a Zset \u96c6\u5408\uff0c\u5206\u522b\u662f group1\u3001group2 \u548c group3\uff0c\u4f60\u53ef\u4ee5\u6309\u7167\u5982\u4e0b\u65b9\u5f0f\u5c06\u6d88\u606f\u6dfb\u52a0\u5230\u4e0d\u540c\u7684\u5206\u7ec4\u4e2d\uff1a<\/p>\n
                      ZADD group1 1 message1\nZADD group2 2 message2\nZADD group3 3 message3<\/pre>\n
                      \u3000\u3000\u7136\u540e\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u83b7\u53d6\u4e0b\u4e00\u6761\u8981\u5904\u7406\u7684\u6d88\u606f\uff1a<\/p>\n
                      ZRANGE group1 0 0 WITHSCORES\nZRANGE group2 0 0 WITHSCORES\nZRANGE group3 0 0 WITHSCORES<\/pre>\n
                      \u3000\u3000\u5c06\u8fd4\u56de\u7ed3\u679c\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u4f5c\u4e3a\u4e0b\u4e00\u6761\u8981\u5904\u7406\u7684\u6d88\u606f\u3002\u7531\u4e8e\u6bcf\u4e2a\u5206\u7ec4\u90fd\u662f\u4e00\u4e2a\u72ec\u7acb\u7684 Zset \u96c6\u5408\uff0c\u56e0\u6b64\u5b83\u4eec\u4e4b\u95f4\u662f\u76f8\u4e92\u72ec\u7acb\u7684\uff0c\u4e0d\u4f1a\u5e72\u6270\u5f7c\u6b64\u3002<\/p>\n
                      8.redis\u7528zset\u505a\u6d88\u606f\u961f\u5217\u4f1a\u51fa\u73b0\u5927key\u7684\u60c5\u51b5\u5417<\/h2>\n
                      \u3000\u3000\u5728Redis\u4e2d\uff0c\u4f7f\u7528zset\u4f5c\u4e3a\u6d88\u606f\u961f\u5217\uff0c\u6bcf\u4e2a\u6d88\u606f\u90fd\u662f\u4e00\u4e2a\u5143\u7d20\uff0c\u5143\u7d20\u4e2d\u6709\u4e00\u4e2a\u5206\u6570\u4ee3\u8868\u4e86\u8be5\u6d88\u606f\u7684\u65f6\u95f4\u6233\u3002\u5982\u679c\u7cfb\u7edf\u4e2d\u6709\u5927\u91cf\u6d88\u606f\u9700\u8981\u5165\u961f\u6216\u8005\u5927\u91cf\u7684\u4e0d\u540c\u7684\u961f\u5217\uff0c\u8fd9\u4e2akey\u7684\u4f53\u79ef\u4f1a\u8d8a\u6765\u8d8a\u5927\uff0c\u4ece\u800c\u53ef\u80fd\u4f1a\u51fa\u73b0\u5927key\u7684\u60c5\u51b5\u3002<\/p>\n
                      \u3000\u3000\u5f53Redis\u5b58\u50a8\u7684\u67d0\u4e2a\u952e\u503c\u5bf9\u7684\u5927\u5c0f\u8d85\u8fc7\u5b9e\u4f8b\u7684\u6700\u5927\u5185\u5b58\u9650\u5236\u65f6\uff0c\u4f1a\u89e6\u53d1Redis\u7684\u5185\u5b58\u56de\u6536\u673a\u5236\uff0c\u53ef\u4ee5\u6839\u636eLRU\u7b97\u6cd5\u7b49\u7b56\u7565\u6765\u9009\u62e9\u9700\u8981\u56de\u6536\u7684\u6570\u636e\uff0c\u5e76\u786e\u4fdd\u6700\u70ed\u6570\u636e\u4fdd\u6301\u5728\u5185\u5b58\u4e2d\u3002\u5982\u679c\u5185\u5b58\u4e0d\u8db3\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u6301\u4e45\u5316\u673a\u5236\uff0c\u5c06\u6570\u636e\u5199\u5165\u78c1\u76d8\u3002\u4f7f\u7528Redis\u96c6\u7fa4\uff0c\u5e76\u4e14\u5c06\u6570\u636e\u5206\u7247\u5230\u591a\u4e2a\u8282\u70b9\u4e0a\uff0c\u4e5f\u662f\u4e00\u79cd\u53ef\u4ee5\u6709\u6548\u89e3\u51b3\u5927key\u95ee\u9898\u7684\u65b9\u6cd5\u3002<\/p>\n
                      \u3000\u3000\u9488\u5bf9\u5927key\u7684\u95ee\u9898\uff0c\u53ef\u4ee5\u8003\u8651\u5bf9\u6d88\u606f\u8fdb\u884c\u5207\u5206\uff0c\u5c06\u4e00\u4e2a\u961f\u5217\u5207\u5206\u6210\u591a\u4e2a\u5c0f\u961f\u5217\uff0c\u6216\u8005\u5bf9\u6d88\u606f\u961f\u5217\u96c6\u5408\u8fdb\u884c\u5206\u7247\uff0c\u5c06\u6d88\u606f\u5206\u5e03\u5230\u4e0d\u540c\u7684Redis\u5b9e\u4f8b\u4e0a\uff0c\u4ece\u800c\u964d\u4f4e\u5355\u4e2aRedis\u5b9e\u4f8b\u7684\u5185\u5b58\u4f7f\u7528\uff0c\u5e76\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u6269\u5c55\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                      Redis\u4f7f\u7528ZSET\u5b9e\u73b0\u6d88\u606f\u961f...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201807","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201807","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201807"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201807\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}